Sarang Belsare

Results-driven Senior Full Stack Developer with 7+ years of hands-on experience designing and delivering scalable, cloud-native web applications across diverse industry domains. Proficient in the MERN/MEAN stack, micro-services architecture, RESTful & GraphQL APIs, and DevOps pipelines. Demonstrated ability to architect high-performance back-end systems, build intuitive front-end interfaces, and deploy infrastructure on AWS and Azure.

Passionate about clean code, Agile collaboration, and delivering measurable business impact through technology.

Senior Software Developer at Mobio Solutions Pvt. Ltd (2022-06 – 2026-02)

• Architected and delivered 4 enterprise-grade Next.js and node microservices MERN stack applications, reducing average API response time by 35%
• Designed event-driven microservices using Node.js and Docker, enabling independent scaling and reducing deployment time by 50%
• Built and maintained GraphQL APIs consumed by 10,000+ daily active users, maintaining 99.95% uptime SLA
• Implemented robust CI/CD pipelines using Jenkins and GitHub Actions, cutting release cycles from 2 weeks to 3 days
• Provisioned and managed AWS infrastructure (EC2, S3, Lambda, Dynamodb), reducing hosting costs by 28%
• Mentored a team of 10 junior developers through code reviews and pair programming, improving team code quality scores by 40%
• Optimized production build for Angular to reduce the build size from 14mb to 5mb.

Senior Software Developer at Invitra Technologies Pvt. Ltd (2021-09 – 2022-02)

• Rebuilt a legacy application and improving Lighthouse performance score from 54 to 75
• Optimized critical MySQL queries and introduced indexing strategies, cutting average load time from 3.2s to 2
• Developed automated test suites achieving 88% code coverage, reducing QA turnaround time by 35%
• Delivered 6 sprint milestones on time in a fast-paced Agile environment, maintaining zero critical production incidents.

Web Developer at Aureate Labs Pvt. Ltd (2020-06 – 2021-09)

• Developed client-facing applications spanning e-commerce, healthcare, and SaaS verticals
• Integrated third-party APIs and payment gateways (Stripe) handling $500K+ in monthly transactions by 30%
• Reducing front-end renders and improving UX responsiveness by 35%
• Containerized 3 existing applications with Docker, enabling seamless environment parity across dev, staging, and production

Software Developer at Codenser Networks (2019-12 – 2020-06)

• Designed and built Restful back-end services using MVC and SOLID principles and Repository pattern
• Engineered MySQL schema and aggregation pipelines for real-time analytic dashboards serving 2,000+ users
• Delivered 3 production-ready applications within strict project deadlines, receiving consistent positive client feedback

Junior Software Developer at Eastern Enterprise (2018-11 – 2019-12)

• Built 8+ Angular-based UI components and Restful API integration's, improving feature delivery velocity by 20%
• Assisted in migrating on-premise infrastructure to AWS, resulting in 40% cost reduction in server expenditure
• Contributed to Agile sprint planning and retrospectives, gaining experience with Git-based workflows and code review culture

Post Graduate Diploma in Advanced Computing in Full Stack & Cloud Technologies – CDAC — Centre for Development of Advanced Computing (2018-07)

Bachelor of Engineering in Computer Science in Computer Science – RTM Nagpur University (2015)

Diploma in Computer Engineering in Computer Engineering – MSBTE — Maharashtra State Board of Technical Education (2009)